#slideshow {
width:580px;
margin:auto;
position:relative;
height:280px;
}

#slideshow IMG {
position:absolute;
top:0;
left:0;
z-index:8;
opacity:0.0;
}

#slideshow IMG.active {
z-index:10;
opacity:1.0;
}

#slideshow IMG.last-active {
z-index:9;
}